﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace TryIn
{
public static	class Tools
	{
	public static YouXiArticle.Models.ArticleDataContext DB = new YouXiArticle.Models.ArticleDataContext("Data Source=(local);Initial Catalog=Article;Integrated Security=True");
	public static string GetReg(string reg, string str,string outstr)
	{
		Regex r = new Regex(reg);
		Match m = r.Match(str);
		return m.Result(outstr);
	}
	public static string GetReg(string reg, string str)
	{
		Regex r = new Regex(reg);
	//	Match m = r.Match(str);
		MatchCollection mc = r.Matches(str);
		string ret="";
		foreach (Match mh in mc) {
			ret = mh.Result("$1").Trim();
			break;
		}
		
		if (ret.Contains("-") && ret.Contains("0"))
		{
			ret = "20" + ret;
			ret = ret.Replace("-", "/");
		}
		return ret;
	}
        /// <summary>
        /// 汉字转拼音缩写
        /// </summary>
        /// <param name="str">要转换的汉字字符串</param>
        /// <returns>拼音缩写</returns>
        static public string GetPYString(string str)
        {
            string tempStr = "";
            foreach(char c in str)
            {
                if((int)c >= 33 && (int)c <=126)
                {//字母和符号原样保留
                    tempStr += c.ToString();
                }
                else
                {//累加拼音声母
                    tempStr += GetPYChar(c.ToString());
                }
            }
            return tempStr;
        }

        /// <summary>
        /// 取单个字符的拼音声母
        /// </summary>
        /// <param name="c">要转换的单个汉字</param>
        /// <returns>拼音声母</returns>
        static public string GetPYChar(string c)
        {
			if (c.Trim() == "") return "";
            byte[] array = new byte[2];
            array = System.Text.Encoding.Default.GetBytes(c);
            int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));

            if ( i < 0xB0A1) return "";
            if ( i < 0xB0C5) return "a";
            if ( i < 0xB2C1) return "b";
            if ( i < 0xB4EE) return "c";
            if ( i < 0xB6EA) return "d";
            if ( i < 0xB7A2) return "e";
            if ( i < 0xB8C1) return "f";
            if ( i < 0xB9FE) return "g";
            if ( i < 0xBBF7) return "h";
            if ( i < 0xBFA6) return "g";
            if ( i < 0xC0AC) return "k";
            if ( i < 0xC2E8) return "l";
            if ( i < 0xC4C3) return "m";
            if ( i < 0xC5B6) return "n";
            if ( i < 0xC5BE) return "o";
            if ( i < 0xC6DA) return "p";
            if ( i < 0xC8BB) return "q";
            if ( i < 0xC8F6) return "r";
            if ( i < 0xCBFA) return "s";
            if ( i < 0xCDDA) return "t";
            if ( i < 0xCEF4) return "w";
            if ( i < 0xD1B9) return "x";
            if ( i < 0xD4D1) return "y";
            if ( i < 0xD7FA) return "z";

            return "";
        } 
	}
}
